Yes, there is a limitation to the app name hiding feature in iOS 18. Currently, it is not possible to hide app names while keeping the default small icon size. Users have to choose the Large icon size to enable the app name hiding feature. This may change in future updates, but as of now, this is the only available option.
To hide app names on the iPhone Home Screen in iOS 18, follow these steps: 1) Ensure your device is running the iOS 18 beta. 2) Long-press on a blank space on your Home Screen. 3) Tap "Edit" in the top left corner. 4) Choose "Customize." 5) Tap "Large." 6) Tap on the screen to exit the Customize menu. This will enlarge the app icons and remove the labels underneath them, creating a cleaner look. Note that currently, there isn't a way to hide app names while keeping the default small icon size.
iOS 18 introduces significant customization features for iPhone users, including the ability to arrange app icons and widgets freely on the home screen, customize app icon colors, and modify the Control Center with multiple pages and third-party app controls13. Additionally, users can now replace the default flashlight and camera buttons on the Lock Screen with other apps, and the Photos app has gained new customization options for organizing and sorting images.